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    Delta College
   
 
  Nov 21, 2017
 
2017-2018 
  
2017-2018
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AGM 218W - Automatic Electronic Transmission Service

Credits: 8
Introduces the operation, maintenance, and service of GM electronically controlled transmissions. Credit may be earned in AGM 218W or SKGM 218W or ACD 218W or AGM 232, but not in more than one.

Prerequisite(s): AGM 143  
Corequisite(s): Asep 106 , AGM 234  
Lecture Hours: 80 Lab Hours: 100
Meets MTA Requirement: None
Pass/NoCredit: No

Outcomes and Objectives
  1. Diagnose general transmission and transaxle. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Identify and interpret transmission/transaxle concern; assure proper engine operation; determine necessary action. P-1
    2. Research applicable vehicle and service information, such as transmission/transaxle system operation, vehicle service history, service precautions, and technical service bulletins. P-1
    3. Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals). P-1
    4. Diagnose fluid usage, level, and condition concerns; determine necessary action. P-1
    5. Perform pressure tests; determine necessary action. P-1
    6. Perform stall test; determine necessary action. P-2
    7. Perform lock-up converter system tests; determine necessary action. P-1
    8. Diagnose electronic, mechanical, hydraulic, vacuum control system concerns; determine necessary action. P-1
    9. Diagnose noise and vibration concerns; determine necessary action. P-2
    10. Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles. P-1
  2. Adjust and perform maintenance on transmission and transaxle. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Inspect, adjust or replace throttle valve (TV) linkages or cables; manual shift linkages or cables; transmission range sensor; check gear select indicator (as applicable). P-1
  3. Repair in-vehicle transmission and transaxle. Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Inspect and replace external seals and gaskets. P-2
    2. Inspect extension housing, bushings and seals; perform necessary action. P-3
    3. Inspect, leak test, flush, and replace cooler, lines, and fittings. P-2
    4. Diagnose electronic transmission control systems using a scan tool; determine necessary action. P-1
  4. Repair of off-vehicle transmission and transaxle (removal, disassembly, and reinstallation). Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Remove and reinstall transmission and torque converter (rear-wheel drive). P-2
    2. Remove and reinstall transaxle and torque converter assembly. P-1
    3. Disassemble, clean, and inspect transmission/transaxle. P-1
    4. Inspect, measure, clean, and replace valve body (includes surfaces and bores, springs, valves, sleeves, retainers, brackets, check-balls, screens, spacers, and gaskets). P-2
    5. Inspect servo bore, piston, seals, pin, spring, and retainers; determine necessary action. P-3
    6. Inspect accumulator bore, piston, seals, spring, and retainer; determine necessary action. P-3
    7. Assemble transmission/transaxle. P-1
  5. Repair of off-vehicle transmission and transaxle (oil pump and converter). Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Inspect converter flex plate, attaching parts, pilot, pump drive, and seal areas. P-2
    2. Measure torque converter endplay and check for interference; check stator clutch. P-2
    3. Inspect, measure, and reseal oil pump assembly and components. P-1
  6. Repair of off-vehicle transmission and transaxle (gear train, shafts, bushings and case). Complete 95% of Priority 1, 80% of Priority 2, and 50% of Priority 3 NATEF tasks as listed below.
    1. Measure endplay or preload; determine necessary action. P-1
    2. Inspect, measure, and replace thrust washers and bearings. P-2
    3. Inspect oil delivery seal rings, ring grooves, and sealing surface areas. P-2
    4. Inspect bushings; determine necessary action. P-2
    5. Inspect and measure planetary gear assembly (includes sun, ring gear, thrust washers, planetary gears, and carrier assembly); determine necessary action. P-2
    6. Inspect case bores, passages, bushings, vents, and mating surfaces;



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